PERFECT NOISE REDUCTION - Provides the best noise reduction to protect your ears from loud and noisy surroundings. Ideal for traveling, studying, snoring, shooting range, yard work, concerts, and all other loud activities. (NRR: 25dB/SNR: 28 dB) WASHABLE and REUSABLE - Our reusable silicone earplugs are designed to last for a long period of time for daily use. INDIVIDUALLY WRAPPED - Each pair is sealed in its own plastic bag for good sanitation. REMOVABLE FABRIC CORD - Remove the string before sleeping with them and insert it back before going to work. Fabric cord ensures they do not stick to your skin or hair while you move around. SOFT and NON-TOXIC SILICONE - Made of high-quality, smooth, and soft silicone that makes it comfortable when worn, and non-toxic material so they are safe to use.